The Bubbles (Kanji: 泡, Katakana: バブルズ, Romanji: Baburuzu) is a mass of soap bubbles. It was created specifically to wash Cerberus. It was also used to wash dishes, and other things.

Bubbles is unusual in that was only ever referenced in the anime as incidental material, most notably during Cardcaptor Sakura Movie 2: The Sealed Card when its capture was (partially) shown during a replay of Tomoyo's video library. Bubbles' capture is later shown in a bit more detail during the second film, appearing as a large pile of pink bubbles. Bubbles is transformed into a Sakura Card when Sakura uses it to bathe Cerberus in Episode 58. She is under Watery.